homebrew vs home brew

homebrew and home brew both are nouns.

Word	Noun	Adjective	Verb	Adverb
homebrew	Yes	No	No	No
home brew	Yes	No	No	No

As nouns, homebrew and home brew are synonyms defined as:

homebrew and home brew: an alcoholic beverage (especially beer) made at home

homebrew (noun)	home brew (noun)
an alcoholic beverage (especially beer) made at home	an alcoholic beverage (especially beer) made at home